var msg;
var total;


function  test_field ( myfield, description )
{
	if (!myfield || myfield == "null" || myfield.value.length == 0) { return; }
	if (! /^\d+$/.test(myfield.value))
	{
		msg += "Het aantal "+description+" is nog niet goed ingevuld.\n";
		total = -1;
	}
	else
	{
		total += Number(myfield.value);
	}

}/*test_field*/


function  verify ( form )
{
	msg = "";
	if (form.naam.value.length == 0)
	{
		msg += "Het veld naam is nog niet ingevuld.\n";
	}
	if (form.adres.value.length == 0)
	{
		msg += "Het veld adres is nog niet ingevuld.\n";
	}
	if (form.postcode.value.length == 0)
	{
		msg += "Het veld postcode is nog niet ingevuld.\n";
	}
	if (form.plaats.value.length == 0)
	{
		msg += "Het veld plaats is nog niet ingevuld.\n";
	}
	if (form.land.value.length == 0)
	{
		msg += "Het veld land is nog niet ingevuld.\n";
	}
	if (form.e_mail.value.length == 0)
	{
		msg += "Het veld e-mail is nog niet ingevuld.\n";
	}
	else if (! /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(form.e_mail.value))
	{
		msg += "Het veld e-mail is niet goed ingevuld.\n";
	}

	total = 0;
	test_field( document.getElementById("aantal_legs_small"), "Legs small");
	test_field( document.getElementById("aantal_legs_medium"), "Legs medium");
	test_field( document.getElementById("aantal_legs_large"), "Legs large");
	test_field( document.getElementById("aantal_legs_extra_large"), "Legs extra large");
	test_field( document.getElementById("aantal_capc_small"), "CapCoat small");
	test_field( document.getElementById("aantal_capc_medium"), "CapCoat medium");
	test_field( document.getElementById("aantal_capc_large"), "CapCoat large");
	test_field( document.getElementById("aantal_capc_extra_large"), "CapCoat extra large");
	test_field( document.getElementById("aantal_skirt"), "Skirt");

	if (total == 0)
	{
		msg += "Er is nog geen aantal ingevuld.\n";
	}

	if (msg.length > 0)
	{
		alert(msg);
		return false;
	}
	else
	{
		return true;
	}

}/*verify*/